/Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Public/NiagaraNode.h
For a simple Plain old data typeUProperty, hash the data.
virtual bool PODPropertyAppendCompileHash ( const void * Container, [FProperty](API\Runtime\CoreUObject\UObject\FProperty) * Property, const [FString](API\Runtime\Core\Containers\FString) & PropertyName, [FNiagaraCompileHashVisitor](API\Plugins\Niagara\FNiagaraCompileHashVisitor) * InVisitor ) const